PL323743A1 - Continuous hyrolysis process for use in production of 2-hydroxy-4-methylthiobutanic acid or its salts - Google Patents

Continuous hyrolysis process for use in production of 2-hydroxy-4-methylthiobutanic acid or its salts

Info

Publication number
PL323743A1
PL323743A1 PL96323743A PL32374396A PL323743A1 PL 323743 A1 PL323743 A1 PL 323743A1 PL 96323743 A PL96323743 A PL 96323743A PL 32374396 A PL32374396 A PL 32374396A PL 323743 A1 PL323743 A1 PL 323743A1
Authority
PL
Poland
Prior art keywords
methylthiobutanic
hyrolysis
hydroxy
salts
continuous
Prior art date
Application number
PL96323743A
Inventor
Yung C Hsu
Thomas F Blackburn
Paul F Pellegrin
Allen H Kranz
James M Willock
Original Assignee
Novus International
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/647,161 external-priority patent/US5856567A/en
Application filed by Novus International filed Critical Novus International
Publication of PL323743A1 publication Critical patent/PL323743A1/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1812Tubular reactors
    • B01J19/1837Loop-type reactors
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/10Organic substances
    • A23K20/105Aliphatic or alicyclic compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J14/00Chemical processes in general for reacting liquids with liquids; Apparatus specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1862Stationary reactors having moving elements inside placed in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1868Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1881Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/2415Tubular reactors
    • B01J19/243Tubular reactors spirally, concentrically or zigzag wound
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/2415Tubular reactors
    • B01J19/2435Loop-type reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/245Stationary reactors without moving elements inside placed in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/2455Stationary reactors without moving elements inside provoking a loop type movement of the reactants
    • B01J19/2465Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/14Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
    • C07C319/20Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002Chemical plants
    • B01J2219/00004Scale aspects
    • B01J2219/00011Laboratory-scale plants
    • B01J2219/00013Miniplants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002Chemical plants
    • B01J2219/00027Process aspects
    • B01J2219/00033Continuous processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058Temperature measurement
    • B01J2219/00063Temperature measurement of the reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094Jackets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00099Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor the reactor being immersed in the heat exchange medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00103Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor in a heat exchanger separate from the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00105Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2219/0011Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling involving reactant liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00164Controlling or regulating processes controlling the flow
    • B01J2219/00166Controlling or regulating processes controlling the flow controlling the residence time inside the reactor vessel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18Details relating to the spatial orientation of the reactor
    • B01J2219/185Details relating to the spatial orientation of the reactor vertical

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
PL96323743A 1995-06-07 1996-06-04 Continuous hyrolysis process for use in production of 2-hydroxy-4-methylthiobutanic acid or its salts PL323743A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47776895A 1995-06-07 1995-06-07
US08/647,161 US5856567A (en) 1995-06-07 1996-05-21 Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanioc acid or salts thereof

Publications (1)

Publication Number Publication Date
PL323743A1 true PL323743A1 (en) 1998-04-14

Family

ID=27045673

Family Applications (1)

Application Number Title Priority Date Filing Date
PL96323743A PL323743A1 (en) 1995-06-07 1996-06-04 Continuous hyrolysis process for use in production of 2-hydroxy-4-methylthiobutanic acid or its salts

Country Status (14)

Country Link
US (2) US6268531B1 (en)
EP (1) EP0832062B1 (en)
JP (1) JPH11508876A (en)
CN (1) CN1094925C (en)
AR (1) AR002353A1 (en)
AU (1) AU724680B2 (en)
BR (1) BR9609182A (en)
DE (1) DE69615183T2 (en)
ES (1) ES2164244T3 (en)
MX (1) MX9709477A (en)
PL (1) PL323743A1 (en)
PT (1) PT832062E (en)
RU (1) RU2179550C2 (en)
WO (1) WO1996040630A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5856567A (en) * 1995-06-07 1999-01-05 Novus International, Inc. Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanioc acid or salts thereof
JP3804210B2 (en) * 1997-03-04 2006-08-02 住友化学株式会社 Process for producing 2-hydroxy-4-methylthiobutanoic acid
FR2780968B1 (en) 1998-07-10 2000-08-18 Rhone Poulenc Nutrition Animal PROCESS FOR THE PREPARATION OF HYDROXYMETHYLTHIOBUTYRIC ACID
US6649794B2 (en) 2000-02-18 2003-11-18 Sumitomo Chemical Company, Limited Method for producing 2-Hydroxy-4-Methylthiobutanoic Acid
JP4517474B2 (en) * 2000-07-25 2010-08-04 住友化学株式会社 Process for producing 2-hydroxy-4-methylthiobutanoic acid
JP4517520B2 (en) * 2001-02-27 2010-08-04 住友化学株式会社 Process for producing 2-hydroxy-4-methylthiobutanoic acid
WO2003040166A2 (en) * 2001-11-02 2003-05-15 Millipore Corporation Membrane adsorber device
AU2002324369A1 (en) * 2002-09-20 2004-04-08 Avantium International B.V. Method and apparatus for performing chemical experiments
JP4696496B2 (en) 2004-08-18 2011-06-08 住友化学株式会社 Method for producing 2-hydroxy-4-methylthiobutyric acid
DE102004041250A1 (en) * 2004-08-26 2006-03-02 Degussa Ag Preparation of 2-hydroxy-4-methylthiobutyric acid
US7335248B2 (en) * 2005-09-06 2008-02-26 Novus International, Inc. Marine antifouling coating compositions
CN101262940B (en) * 2005-09-12 2011-03-30 克朗布兰德斯有限公司 Loop reactor for emulsion polymerisation
CN102458643B (en) * 2009-06-04 2014-08-06 伏太斯有限责任公司 Apparatus and method for the production of trisilylamine
CN102633699B (en) * 2012-04-28 2013-03-06 重庆紫光天化蛋氨酸有限责任公司 Method for preparing DL-methionine
CN108863857B (en) * 2018-06-29 2024-04-30 浙江龙盛化工研究有限公司 Continuous dilution device and method for cooling crystallization of acetamido benzenesulfonyl chloride
FR3115537B1 (en) 2020-10-23 2023-01-06 Adisseo France Sas Process for the catalytic production of an analogue of methionine
FR3120367B1 (en) 2021-03-04 2024-02-16 Adisseo France Sas Process for the preparation of 2-hydroxy-4-methylthiobutyronitrile or its selenated equivalent and applications

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432429A (en) 1945-09-26 1947-12-09 Du Pont Purification of methionine
US2432478A (en) 1945-09-26 1947-12-09 Du Pont Synthesis of methionine
US2443391A (en) 1945-09-26 1948-06-15 Du Pont Methionine isolation process
US2485236A (en) 1945-10-24 1949-10-18 Du Pont Preparation of methionine and precursors thereof
US2542768A (en) 1945-10-24 1951-02-20 Du Pont Hydroxy-methylmercaptobutyronitrile
US2557920A (en) 1946-11-07 1951-06-19 Dow Chemical Co Method for production of amino acids
US2642459A (en) 1948-12-08 1953-06-16 Dow Chemical Co Production and purification of amino acids
US2564105A (en) 1949-08-03 1951-08-14 Du Pont Aqueous methionine nitrile sulfate
US2676190A (en) 1951-10-23 1954-04-20 Du Pont Process for the manufacture of beta-methylmercapto-propionaldehyde
US2688038A (en) 1952-10-24 1954-08-31 Du Pont Hydrolysis of methionine nitrile
US2745745A (en) 1952-10-30 1956-05-15 Monsanto Chemicals Poultry feed
US2946818A (en) 1953-10-01 1960-07-26 Monsanto Chemicals Preparation of hydroxy mercapto butyric acids and derivatives thereof
US2938053A (en) * 1955-12-29 1960-05-24 Monsanto Chemicals Amino acid analogues
CH385823A (en) * 1959-09-01 1964-12-31 Inventa Ag Process for the preparation of the calcium salt of a-oxy-y-methylthio-butyric acid
US3272860A (en) 1964-04-02 1966-09-13 Monsanto Co Preparation of methionine analogues
US3773927A (en) 1971-12-20 1973-11-20 Du Pont Preparation of an aqueous slurry of ammonium chloride and methylmercapto-hydroxybutyric acid
US3968152A (en) 1972-10-06 1976-07-06 The Lummus Company Production of aromatic carboxylic acids
GB1542488A (en) 1975-10-10 1979-03-21 Bearn Sa Prod Chim Process for preparing alpha-amino-gamma-methylmercaptobutyronitrile
US4233235A (en) 1979-02-26 1980-11-11 The Procter & Gamble Company Method for making diperoxyacids
US4311803A (en) 1979-05-01 1982-01-19 Phillips Petroleum Company Continuous solution polymerization process
US4335257A (en) 1980-09-05 1982-06-15 E. I. Du Pont De Nemours And Company Preparation of the calcium salt of alpha-hydroxy-gamma-methylmercaptobutyric acid
US4310690A (en) 1980-10-08 1982-01-12 E. I. Du Pont De Nemours And Company Preparation of the calcium salt of α-hydroxy-gamma-methylmercaptobutyric acid
JPS5782339A (en) 1980-11-13 1982-05-22 Asahi Chem Ind Co Ltd Preparation of unsaturated carboxylic acid or its ester
AU1656283A (en) * 1982-07-22 1984-01-26 Gestetner Manufacturing Ltd. Stencil
US4855495A (en) 1983-09-06 1989-08-08 Monsanto Company Enhanced 2-hydroxy-4-methylthiobutanoic acid composition and method of preparation
ATE28747T1 (en) 1983-11-14 1987-08-15 Monsanto Co PROCESS FOR THE PREPARATION OF LIQUID 2HYDROXYMETHYLTHIOBUTRIC ACID.
US4524077A (en) * 1983-11-14 1985-06-18 Monsanto Company Liquid 2-hydroxy-4-methylthiobutyric acid and process for the preparation thereof
US4579962A (en) 1984-02-24 1986-04-01 Monsanto Company Enhanced 2-hydroxy-4-methylthiobutanoic acid compositions and method of preparation
FR2565225B1 (en) 1984-06-05 1986-10-17 Centre Nat Rech Scient PROCESS FOR THE CONTINUOUS SYNTHESIS OF AN A-AMINO ACID BY CHEMICAL CATALYTIC HYDROLYSIS AND DEVICE FOR CARRYING OUT THE METHOD
ES2005784A6 (en) * 1988-02-22 1989-03-16 Desarrollo Tecnico Ind S A Soc Process for the preparation of aqueous solutions of 2-hydroxy-4-methylthio-butyric acid.
US5244590A (en) 1989-10-12 1993-09-14 Exxon Chemical Patents Inc. Viscosity index improver
US5068383A (en) 1990-11-09 1991-11-26 Dow Corning Corporation Catalyzed redistribution of polyorganosiloxanes
DE4110009A1 (en) 1991-03-27 1992-10-01 Basf Ag METHOD FOR PRODUCING ABS COMPOSITIONS
US5420304A (en) 1992-03-19 1995-05-30 Biopak Technology, Ltd. Method to produce cyclic esters
DE4236058A1 (en) 1992-10-26 1994-04-28 Basf Ag Bulk radical vinyl monomer polymerisation giving low polydispersity prod. - using stirred reactor followed by non-stirred adiabatic plug flow tubular reactor
US5352837A (en) * 1993-06-08 1994-10-04 Novus International, Inc. Process for the preparation of 3-(methylthio)propanal
JP4012244B2 (en) 1994-07-11 2007-11-21 デグサ ゲーエムベーハー Process for producing 2-hydroxy-4-methylthiobutyric acid (MHA), MHA and use thereof
DE4428608C1 (en) 1994-08-12 1996-02-29 Degussa Process for the production of 2-hydroxy-4-methylthiobutyric acid (MHA)
US5583243A (en) 1995-05-19 1996-12-10 Zinpro Corporation Salts of alpha-hydroxy aliphatic carboxylic acids and uses thereof
FR2780968B1 (en) 1998-07-10 2000-08-18 Rhone Poulenc Nutrition Animal PROCESS FOR THE PREPARATION OF HYDROXYMETHYLTHIOBUTYRIC ACID

Also Published As

Publication number Publication date
WO1996040630A1 (en) 1996-12-19
DE69615183D1 (en) 2001-10-18
CN1094925C (en) 2002-11-27
BR9609182A (en) 1999-05-11
EP0832062B1 (en) 2001-09-12
US6531101B2 (en) 2003-03-11
ES2164244T3 (en) 2002-02-16
AU5974196A (en) 1996-12-30
CN1189819A (en) 1998-08-05
US20010001105A1 (en) 2001-05-10
PT832062E (en) 2002-03-28
MX9709477A (en) 1998-02-28
AR002353A1 (en) 1998-03-11
RU2179550C2 (en) 2002-02-20
AU724680B2 (en) 2000-09-28
DE69615183T2 (en) 2002-05-29
JPH11508876A (en) 1999-08-03
EP0832062A1 (en) 1998-04-01
US6268531B1 (en) 2001-07-31

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